Asked by Janet Green on Apr 23, 2024
Verified
A blocked coronary sinus would block blood flow:
A) into the superior vena cava.
B) into the inferior vena cava.
C) into the pulmonary arteries.
D) returning from the pulmonary arteries.
E) returning from the coronary circulation.
Coronary Sinus
A large vein on the posterior side of the heart that collects blood from the myocardium (heart muscle) and directs it into the right atrium.
Coronary Circulation
The system of blood vessels that delivers blood to the heart muscle and returns blood from the heart muscle to the right atrium.
- Explain the factors influencing cardiac output and the method for its computation.
- Detail the structure of the heart, pinpointing the position and roles of its valves.
Verified Answer
SW
Sharon Williams7 days ago
Final Answer :
E
Explanation :
The coronary sinus is a large vein on the posterior side of the heart that collects blood from the heart muscle (coronary circulation) and returns it to the right atrium. A blockage here would specifically affect blood flow returning from the coronary circulation.
Learning Objectives
- Explain the factors influencing cardiac output and the method for its computation.
- Detail the structure of the heart, pinpointing the position and roles of its valves.
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